unless you are a idiot and go behind my computer (which is almost right against a wall and next to a bookcase) I have just plugged them in and forgot about them.
On my family's desktop PC the cable connectors are color coded, so it's easier to tell what cable goes in what connector. I believe this applies to newer PCs of today.
If you have an older laptop or PC, you'll probably need to memorize the connectors and the cables that fit into those.
I dont organize them, if you trip, you are a fucking idiot because ur doin it rong. I tend to have cords running behind or underneath something else, like a rug. Though recently I use a laptop so no extra cords.